Scallop Shell
Marrubium supinum

Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Marrubium (ma-ROO-bee-um) (Info)
Species: supinum (sup-EE-num) (Info)

Category:

Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Height:

18-24 in. (45-60 cm)

Spacing:

24-36 in. (60-90 cm)

Hardiness:

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade

Danger:

Unknown - Tell us

Bloom Color:

Pink

Rose/Mauve

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Foliage:

Grown for foliage

Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Austin, Texas

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Nov 30, 2007, macybee from Deer Park, TX (Zone 9a) wrote:

A member of the mint family and characteristically has square branching stems and opposite pairs of toothed, ovate leaves with soft hairs and conspicuous veining. The whorls of small flowers are borne in the leaf axils. The botanical name is believed to have evolved from marob, a Hebrew word meaning a bitter juice, as this was one of the bitter herbs eaten by Jews to commemorate the feast of Passover.
MARRUBIUM SUPINUM
A native of mountainous regions in central and southern Spain, this species grows to 18" in height and has kidney-shaped, toothed leaves and pink or lilac flowers in summer.
ZONES: 7-10
CULTIVATION:
These fully frost-hardy plants prefer full sun in poor, well-drained soil. Although trouble free, avoid planting them in an over-rich soil and ... read more